CN109826555A - A kind of mobile telescopic ladder - Google Patents
A kind of mobile telescopic ladder Download PDFInfo
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- CN109826555A CN109826555A CN201910140151.XA CN201910140151A CN109826555A CN 109826555 A CN109826555 A CN 109826555A CN 201910140151 A CN201910140151 A CN 201910140151A CN 109826555 A CN109826555 A CN 109826555A
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- leg
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- terraced leg
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Abstract
The invention discloses a kind of mobile telescopic ladders, including the first terraced leg, second terraced leg, third ladder leg, 4th terraced leg, pedal unit, screw rod, movable pulley, loading plate, pivotal plate, seat, first motor, second motor, four terraced legs have internal thread hole, screw rod is connected through a screw thread with terraced leg top and the bottom internal thread hole, the lower end of screw rod is connect by shaft coupling with the second motor, there has been lift structure in one end of pivotal plate, the bottom of pivotal plate connects the first stabilizer blade and the second stabilizer blade by revolute pair, first motor is connect with vertical reduction gearbox, vertical reduction gearbox and rotating cylinder are sequentially connected, the bottom surface quadrangle at seat is provided with hinged-support, and four terraced leg upper ends are connect by revolute pair with hinged-support.The beneficial effects of the invention are as follows the transverse shifting of achievable ladder and Telescopic, and can transported material up and down, and adapt to the complex working conditions such as sloping floor, slope, save manpower, and dismoutability is good, of simple structure and strong practicability.
Description
Technical field
The present invention relates to a kind of ladders, and in particular to a kind of mobile telescopic ladder.
Background technique
Ladder is widely used in the fields such as family, construction, industry as apparatus of climbing, and is mainly used for convenient artificial
High-rise working, ladder has the following problems at present: one, ladder height is fixed, and cannot achieve the construction operating condition of a variety of height；
Two, it cannot achieve automatic moving, when certain regional work completion, need manually to move ladder to region to be onstructed, such as wall plastering
Deng, it is time-consuming and laborious, the amount of labour of worker is increased, production efficiency is reduced；Three, in construction, artificial carrying up and down is needed
Material equally substantially increases worker's labor intensity；Four, it easily slips on sloping floor, slope, ability to work is poor.
Summary of the invention
In view of above-mentioned ladder there are the problem of, it is necessary to provide a kind of mobile telescopic ladder, the ladder by turning every time
Dynamic plate rotates upwardly and downwardly, and in the case where worker is not necessarily to descending stair, realizes that the lateral of ladder is moved by the reaction force of stabilizer blade
Dynamic, mobile telescopic ladder of the invention is provided with lifting device, realizes the transportation function up and down of material, greatly save it is non-must
Manpower, and the worm drive by being arranged inside terraced leg are wanted, the flexible of terraced leg are realized, to expand the height that ladder can work
Range, and the terraced leg motor of the same side rotates synchronously, and realizes that the terraced leg collapsing length of two sides is different, be suitable for sloping floor,
The complex working conditions such as slope, and the ladder is provided with and stops brake apparatus greatly and ensure that the reliability of ladder, structure is simple, dismoutability
Good, high degree of automation is practical.
In order to achieve the above object, the technical solution that the present invention takes is:
A kind of mobile telescopic ladder, including the first terraced leg, the second terraced leg, pedal unit, screw rod, movable pulley, loading are flat
Plate, pivotal plate, seat, handspike, first motor, the second motor, the first connecting plate, the second connecting plate, which is characterized in that institute
It states the first terraced leg and third ladder leg is connected with by the first connecting plate, the described second terraced leg passes through the 4th ladder of the second connecting plate connection
Leg, the described first terraced leg, the second terraced leg, third ladder leg, the 4th terraced leg are divide into upper part and lower part, and there are internal screw thread in top and the bottom
Hole, the screw rod are connected through a screw thread with terraced leg top and the bottom internal thread hole, and the lower end of the screw rod passes through shaft coupling and the second electricity
Machine connection, second motor are fixed on inside terraced leg, and described four terraced legs are symmetrical structure and screw rod having the same connects
Mode and the kind of drive, described pivotal plate one end are connect by revolute pair with loading plate, and the other end is supported on pedal unit
On, the revolute pair has dismoutability, and is fixed when work with pin, and the other end of the pivotal plate has been provided with lift knot
The bottom of structure, the pivotal plate connects the first stabilizer blade and the second stabilizer blade by revolute pair, and the first motor is connected by bolt
It connects on motor cabinet, and motor cabinet is welded on loading plate, the first motor is connect with vertical reduction gearbox, described vertical to subtract
Fast case and rotating cylinder are sequentially connected, and have protective cover outside the vertical reduction gearbox and first motor, with the vertical reduction gearbox
It is fixed on loading plate, the bottom surface quadrangle at the seat is provided with ear mount, and four terraced leg upper ends pass through revolute pair and ear mount
Connection.
As a kind of optimization technique of the invention, it is connected with pedal unit between the described first terraced leg and the second terraced leg, institute
Stating connection type is that pedal unit both ends and terraced inboard leg are rigidly connected, pedal unit cloth from top to bottom between two terraced legs
Be equipped with it is multiple, the pedal unit be hollow rectangle steel construction.
As a kind of optimization technique of the invention, described four terraced leg lower ends are connected with movable pulley, and the connection type is
It is connected by two sides link block, the link block top connect with terraced leg surface rigidity, and lower part passes through revolute pair and movable pulley
Axis connection, and movable pulley is that interference is connect with axis.
As a kind of optimization technique of the invention, the starting of the second motor inside the first terraced leg, the second terraced leg and
Closing has synchronism, and by same switch control, the starting of the second motor inside the third ladder leg, the 4th terraced leg and pass
It closes with synchronism, and by same switch control.
As a kind of optimization technique of the invention, the bottom of the pivotal plate connects the first stabilizer blade and the by revolute pair
Two stabilizer blades, the connection type are the axis connection in the hole and stabilizer blade upper end by the hinged-support under pedestal, and are releasable connection, work
It is fixed when making with pin, the length of the stabilizer blade, which can reach, carries out plane contact with ground, and the stabilizer blade bottom is coated with wear-resisting rubber
Glue material.
As a kind of optimization technique of the invention, the seat is the shape of a saddle, and two sides are curved-surface structure.
As a kind of optimization technique of the invention, the movable pulley being connected with third ladder leg, the 4th terraced leg, which has, to stop
Brake apparatus, the brake apparatus that stops are made of drag ring, handspike and cross bar, and the drag ring is a quarter circular ring structure, and
There is through-hole in centre, and the top of movable pulley is supported on by fixing axle, and the fixing axle is supported in the link block of two sides, described to rub
It wipes ring working surface and is coated with abrasive rubber material, the axis of drag ring two sides through hole and movable pulley is connected with revolute pair, institute
The drag ring overhanging end for stating cross bar and third ladder leg, the 4th terraced leg is rigidly connected, and rigidly connected with handspike at one end.
As a kind of optimization technique of the invention, loading plate one end is connect by fixed plate with seat, the company
Mode is connect as rigid connection, the loading plate other end is supported in pedal unit, and the one side of the loading plate is limited
Position device, the limiting device and loading plate are rigidly connected, and the limiting device is second level stretching structure, by fixed storage
Hole and telescopic shaft composition, the limiting device are second level stretching structure, and the limiting device and handspike cooperation limit.
As a kind of optimization technique of the invention, described four terraced leg one end pass through the ear mount connection side of revolute pair and seat
Formula is to form removable revolute pair by the axis of terraced leg and the hole of ear mount to connect, and fix by pin.
As a kind of optimization technique of the invention, first connecting plate, the second one end of the connection board are distinguished by revolute pair
It connect, the multiple connecting holes of other end distribution of first connecting plate, the second connecting plate, and leads to third ladder leg, the 4th terraced leg
It crosses bolt and the first terraced leg, the second terraced leg forms releasable connection.
Detailed description of the invention
Fig. 1 is overall schematic of the present invention；
Fig. 2 is the overall schematic and partial enlarged view at another visual angle of the present invention；
Fig. 3 is the schematic diagram of internal structure of the terraced leg of the present invention first；
Fig. 4 is whole side view of the invention；
Fig. 5 is drag ring of the present invention and movable pulley connection schematic diagram.
In figure: 1, the first terraced leg；2, the second terraced leg；3, pedal unit；4, screw rod；5, the first stabilizer blade；6, the second stabilizer blade；
7, fixed plate；8, movable pulley；9, pivotal plate；10, fixed plate；11, seat；12, loading plate；13, third stabilizer blade；14,
Four stabilizer blades；15, vertical reduction gearbox；16, rotating cylinder；17, drag ring；18, cross bar；19, handspike；20, the first connecting plate；
21, the second connecting plate；22, first motor；23, limiting device；24, hinged-support；25, the second motor；26, shaft coupling；27, fixed
Axis.
Specific embodiment
Referring to the drawings, a specific embodiment of the invention is provided, for illustrating the working principle of the invention.
A kind of mobile telescopic ladder, including the first terraced leg 2 of terraced leg 1, second, pedal unit 3, screw rod 4, movable pulley 8, load
Object plate 12, pivotal plate 9, seat 11, handspike 19, first motor 22, the second motor 28, the first connecting plate 20, second connect
Fishplate bar 21, which is characterized in that the described first terraced leg 1 is connected with third ladder leg 13, the described second terraced leg 2 by the first connecting plate 20
By the terraced leg 14 of the second connecting plate 21 connection the 4th, the described first terraced leg, the second terraced leg, third ladder leg, the 4th terraced leg are divided into
Lower two parts, and there are internal thread hole in top and the bottom, the screw rod 4 is connected through a screw thread with terraced leg top and the bottom internal thread hole, described
The lower end of screw rod 4 is connect by shaft coupling 26 with the second motor 25, and second motor 25 is fixed on inside terraced leg, and described four
Terraced leg is symmetrical structure and screw rod connection type having the same and the kind of drive, described 9 one end of pivotal plate pass through revolute pair
It is connect with loading plate 12, the other end is supported in pedal unit 3, and the revolute pair has dismoutability, and pin when work
Fixed, the other end of the pivotal plate 9 has been provided with lift structure, and the bottom of the pivotal plate 9 is by hinged-support 24 to turn
The first stabilizer blade 5 of dynamic secondary connection and the second stabilizer blade 6, the first motor 22 are bolted on motor cabinet, and motor cabinet welds
It connects on loading plate 12, the first motor 22 is connect with vertical reduction gearbox 15, the vertical reduction gearbox 15 and rotating cylinder
16 are sequentially connected, and have protective cover outside the vertical reduction gearbox 15 and first motor 22, the vertical reduction gearbox 15 is fixed on
On loading plate 12, the bottom surface quadrangle at the seat 11 is provided with ear mount, and four terraced leg upper ends are connected by revolute pair and ear mount
It connects.
As a kind of optimization technique of the invention, it is connected with pedal unit 3 between the described first terraced leg 1 and the second terraced leg 2,
The connection type is that 3 both ends of pedal unit and terraced inboard leg are rigidly connected, and the pedal unit 3 is between two terraced legs from upper
Be disposed under and it is multiple, the pedal unit 3 be hollow rectangle steel construction.
As a kind of optimization technique of the invention, described four terraced leg lower ends are connected with movable pulley 8, and the connection type is
It is connected by two sides link block, the link block top is connect with terraced leg surface rigidity, and lower part passes through revolute pair and movable pulley 8
Axis connection.
As a kind of optimization technique of the invention, the second motor 25 inside the terraced leg 2 of the first terraced leg 1, second is opened
It is dynamic and close there is synchronism, and the second motor by same switch control, inside the terraced leg 14 of the third ladder leg the 13, the 4th
25 starting and closing has synchronism, and by same switch control.
As a kind of optimization technique of the invention, the bottom of the pivotal plate 9 connects first by revolute pair
Foot 5 and the second stabilizer blade 6, the connection type are the axis connection in the hole and stabilizer blade upper end by the hinged-support 24 under pedestal, and are
Releasable connection, when work, are fixed with pin, and the length of the stabilizer blade can reach and ground carries out plane contact, the stabilizer blade bottom
It is coated with wearability rubber material.
As a kind of optimization technique of the invention, the seat 11 is the shape of a saddle, and two sides are curved-surface structure.
As a kind of optimization technique of the invention, the movable pulley 8 being connected with the terraced leg 14 of third ladder leg the 13, the 4th is equal
Have and stop brake apparatus, the brake apparatus that stops is made of drag ring 17, cross bar 18 and handspike 19, and the drag ring 17 is a quarter
Circular ring structure, and there is through-hole in centre, and the top of movable pulley is supported on by fixing axle 27, the fixing axle 27 is supported on two sides
In link block 7,17 working surface of drag ring is coated with rubber wear-resistant material, the cross bar 18 and the terraced leg of third ladder leg the 3, the 4th
4 drag ring overhanging end rigid connection, and it is rigidly connected with handspike 19 at one end.
As a kind of optimization technique of the invention, described 12 one end of loading plate is connect by fixed plate 10 with seat 11,
The connection type is rigid connection, and 12 other end of loading plate is supported in pedal unit 3, the loading plate 12
One side have a limiting device 23, the limiting device 23 is rigidly connected with loading plate 12, and the limiting device is stretched for second level
Shrinking structure is made of fixed reception hole and telescopic shaft, and the limiting device 23 is limited with the cooperation of handspike 19.
As a kind of optimization technique of the invention, described four terraced leg one end are connect by revolute pair with the ear mount at seat 11
Mode is to form removable revolute pair by the axis of terraced leg and the hole of ear mount to connect, and fix by pin.
As a kind of optimization technique of the invention, first connecting plate 20,21 one end of the second connecting plate pass through revolute pair
It is connect respectively with the terraced leg 13 of third ladder leg the 14, the 4th, first connecting plate 20, the other end distribution of the second connecting plate 21 are more
A connecting hole, and releasable connection is formed by bolt and the first terraced leg 2 of terraced leg 1, second.
When specifically used, user is seated on the seat, and two legs when needing mobile, stop brake apparatus and be in saddle camber two sides
Off working state, rising for foot insertion pivotal plate are lifted in device, drive pivotal plate to be rotated up, at this time the first of lower section
Stabilizer blade and the second stabilizer blade can be done because of center of gravity to be rotated downwards, when rotating down reinstatement state of pivotal plate of rotation, the
One stabilizer blade and the second stabilizer blade can generate active force with ground, and ladder laterally moves under reaction force by movable pulley, mobile
When to operating position, handspike is pushed, drag ring is contacted with wheel surface, and the handspike limiting device flexible with second level is matched
It closes, blocks the movement of handspike, wheel, which is in, stops brake state.When needing Telescopic, it is in running order to stop brake apparatus, and
One connecting plate is dismantled with the second connecting plate by the releasable connection of bolt, and the second electric motor starting inside four terraced legs leads to
Crossing shaft coupling drives screw rod to rotate, and because motor is fixed on inside terraced leg, screw rod makees the rotation of dead axle, drives terraced leg upper half
Portion is for linear motion, to reach Telescopic, after the completion of flexible, it is suitable on the first connecting plate and the second connecting plate to select
Bolt connecting hole, then be fixedly connected.It, can because the motor rotation of two sides has independence when sloping floor, slope work
The telescopic height of certain side is individually adjusted, so as to adjust the inclination angle of ladder, reaches suitable working condition.On needing to carry out
When lower material transportation, start first motor, acted on by the deceleration increment of reduction gearbox, drives rotating cylinder rotation, pass through rope
Cargo is lifted to rise.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, those skilled in the art answer, when
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of mobile telescopic ladder, including the first terraced leg (1), the second terraced leg (2), pedal unit (3), screw rod (4), movement
Take turns (8), loading plate (12), pivotal plate (9), seat (11), handspike (19), the first connecting plate (20), the second connecting plate
(21), first motor (22), the second motor (25), which is characterized in that the described first terraced leg (1) is connected by the first connecting plate (20)
It is connected to third ladder leg (13), the described second terraced leg (2) passes through the terraced leg (14) of the second connecting plate (21) connection the 4th, first ladder
Leg (1), the second terraced leg (2), third ladder leg (1), the 4th terraced leg (2) are divide into upper part and lower part, and partly have internal thread hole up and down,
The screw rod (4) is connected through a screw thread with terraced leg top and the bottom internal thread hole, the lower end of the screw rod (4) by shaft coupling (26) with
Second motor (25) connection, second motor (25) are fixed on inside terraced leg, and described four terraced legs are symmetrical structure and have
Identical screw rod connection type and the kind of drive, described pivotal plate (9) one end are connect by revolute pair with loading plate (12),
The other end is supported on pedal unit (3), and the revolute pair has dismoutability, and is fixed when work with pin, and the rotation is flat
The other end of plate (9) has been provided with lift structure, the bottom of the pivotal plate (9) by revolute pair connect the first stabilizer blade (5) and
Second stabilizer blade (6), the first motor (22) is bolted on motor cabinet, and motor cabinet is welded on loading plate (12)
On, the first motor (22) connect with vertical reduction gearbox (15), and the vertical reduction gearbox (15) and rotating cylinder (16) are driven
There is protective cover outside connection, the vertical reduction gearbox (15) and first motor (22), is fixed on the vertical reduction gearbox (15)
On loading plate (12), the bottom surface quadrangle of the seat (11) is provided with ear mount, and four terraced leg upper ends pass through revolute pair and ear
Seat connection.
2. a kind of mobile telescopic ladder according to claim 1, which is characterized in that the described first terraced leg (1) and second
It being connected with pedal unit (3) between terraced leg (2), the connection type is that pedal unit (3) both ends and terraced inboard leg are rigidly connected,
The pedal unit (3) is disposed with multiple from top to bottom between two terraced legs, and the pedal unit (3) is hollow rectangle steel knot
Structure.
3. a kind of mobile telescopic ladder according to claim 1, which is characterized in that described four terraced leg lower ends are connected with
Movable pulley (8), the connection type are to be connected by two sides link block (7), link block (7) top and terraced leg surface rigidity
Connection, lower part passes through the axis connection of revolute pair and movable pulley (8), and movable pulley (8) is that interference is connect with axis.
4. a kind of mobile telescopic ladder according to claim 1, which is characterized in that the described first terraced leg (1), the second ladder
The starting and closing of internal the second motor (25) of leg (2) have synchronism, and by same switch control, the third ladder leg
(13), the starting and closing of internal the second motor (25) of the 4th terraced leg (14) have synchronism, and by same switch control.
5. a kind of mobile telescopic ladder according to claim 1, which is characterized in that the pivotal plate (9)
By revolute pair connection the first stabilizer blade (5) and the second stabilizer blade (6), the connection type is to pass through the hinged-support under pedestal for bottom
(24) axis connection in hole and stabilizer blade upper end, and be releasable connection, when work, are fixed with pin, and the length of the stabilizer blade can reach
Plane contact is carried out with ground, the stabilizer blade bottom is coated with wearability rubber material.
6. a kind of mobile telescopic ladder according to claim 1, which is characterized in that the seat (11) is the shape of a saddle,
Two sides are curved-surface structure.
7. a kind of mobile telescopic ladder according to claim 1, which is characterized in that it is described with third ladder leg (13), the
The movable pulley (8) that four terraced legs (14) are connected, which has, stops brake apparatus, and the brake apparatus that stops has drag ring (17), cross bar (18) and hand
Push rod (19) composition, the drag ring (17) is a quarter circular ring structure, and there is through-hole in centre, and is propped up by fixing axle (27)
In the top of movable pulley, the fixing axle (27) is supported in two sides link block (7) for support, and drag ring (17) working surface applies
There is rubber wear-resistant material, the cross bar (18) and the overhanging end of third ladder leg (3), the drag ring of the 4th terraced leg (4) are rigidly connected,
And it is rigidly connected with handspike (19) at one end.
8. a kind of mobile telescopic ladder according to claim 1, which is characterized in that described loading plate (12) one end is logical
It crosses fixed plate (10) to connect with seat (11), the connection type is rigid connection, loading plate (12) other end support
On pedal unit (3), the one side of the loading plate (12) has limiting device (23), the limiting device (23) and loading
Plate (12) rigid connection, the limiting device are second level stretching structure, are made of fixed reception hole and telescopic shaft, the limit
Position device (23) and handspike (19) cooperation limits.
9. a kind of mobile telescopic ladder according to claim 1, which is characterized in that described four terraced leg one end are by turning
Dynamic pair is to form removable revolute pair by the axis of terraced leg and the hole of ear mount to connect, and pass through with the ear mount connection type of seat (11)
Pin is fixed.
10. a kind of mobile telescopic ladder according to claim 1, which is characterized in that first connecting plate (20),
Two connecting plates (21) one end is connect with third ladder leg (14), the 4th terraced leg (13) respectively by revolute pair, first connecting plate
(20), the other end of the second connecting plate (21) is distributed multiple connecting holes, and passes through bolt and the first terraced leg (1), the second terraced leg (2)
Form releasable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910140151.XA CN109826555A (en) | 2019-02-26 | 2019-02-26 | A kind of mobile telescopic ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910140151.XA CN109826555A (en) | 2019-02-26 | 2019-02-26 | A kind of mobile telescopic ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109826555A true CN109826555A (en) | 2019-05-31 |
Family
ID=66864419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910140151.XA Pending CN109826555A (en) | 2019-02-26 | 2019-02-26 | A kind of mobile telescopic ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109826555A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144916A (en) * | 2020-09-28 | 2020-12-29 | 国家电网有限公司 | Inclined ladder for construction scaffold |
-
2019
- 2019-02-26 CN CN201910140151.XA patent/CN109826555A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144916A (en) * | 2020-09-28 | 2020-12-29 | 国家电网有限公司 | Inclined ladder for construction scaffold |
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Application publication date: 20190531 |